<!doctype html>
<html>
<head>
<meta charset='UTF-8'><meta name='viewport' content='width=device-width initial-scale=1'>
<title>我的多项式板子</title><link href='https://fonts.loli.net/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext' rel='stylesheet' type='text/css' /><style type='text/css'>html {overflow-x: initial !important;}:root { --bg-color:#ffffff; --text-color:#333333; --select-text-bg-color:#B5D6FC; --select-text-font-color:auto; --monospace:"Lucida Console",Consolas,"Courier",monospace; }
html { font-size: 14px; background-color: var(--bg-color); color: var(--text-color); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body { margin: 0px; padding: 0px; height: auto; bottom: 0px; top: 0px; left: 0px; right: 0px; font-size: 1rem; line-height: 1.42857; overflow-x: hidden; background: inherit; tab-size: 4; }
iframe { margin: auto; }
a.url { word-break: break-all; }
a:active, a:hover { outline: 0px; }
.in-text-selection, ::selection { text-shadow: none; background: var(--select-text-bg-color); color: var(--select-text-font-color); }
#write { margin: 0px auto; height: auto; width: inherit; word-break: normal; overflow-wrap: break-word; position: relative; white-space: normal; overflow-x: visible; padding-top: 40px; }
#write.first-line-indent p { text-indent: 2em; }
#write.first-line-indent li p, #write.first-line-indent p * { text-indent: 0px; }
#write.first-line-indent li { margin-left: 2em; }
.for-image #write { padding-left: 8px; padding-right: 8px; }
body.typora-export { padding-left: 30px; padding-right: 30px; }
.typora-export .footnote-line, .typora-export li, .typora-export p { white-space: pre-wrap; }
.typora-export .task-list-item input { pointer-events: none; }
@media screen and (max-width: 500px) {
  body.typora-export { padding-left: 0px; padding-right: 0px; }
  #write { padding-left: 20px; padding-right: 20px; }
  .CodeMirror-sizer { margin-left: 0px !important; }
  .CodeMirror-gutters { display: none !important; }
}
#write li > figure:last-child { margin-bottom: 0.5rem; }
#write ol, #write ul { position: relative; }
img { max-width: 100%; vertical-align: middle; image-orientation: from-image; }
button, input, select, textarea { color: inherit; font: inherit; }
input[type="checkbox"], input[type="radio"] { line-height: normal; padding: 0px; }
*, ::after, ::before { box-sizing: border-box; }
#write h1, #write h2, #write h3, #write h4, #write h5, #write h6, #write p, #write pre { width: inherit; }
#write h1, #write h2, #write h3, #write h4, #write h5, #write h6, #write p { position: relative; }
p { line-height: inherit; }
h1, h2, h3, h4, h5, h6 { break-after: avoid-page; break-inside: avoid; orphans: 4; }
p { orphans: 4; }
h1 { font-size: 2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.4rem; }
h5 { font-size: 1.2rem; }
h6 { font-size: 1rem; }
.md-math-block, .md-rawblock, h1, h2, h3, h4, h5, h6, p { margin-top: 1rem; margin-bottom: 1rem; }
.hidden { display: none; }
.md-blockmeta { color: rgb(204, 204, 204); font-weight: 700; font-style: italic; }
a { cursor: pointer; }
sup.md-footnote { padding: 2px 4px; background-color: rgba(238, 238, 238, 0.7); color: rgb(85, 85, 85); border-radius: 4px; cursor: pointer; }
sup.md-footnote a, sup.md-footnote a:hover { color: inherit; text-transform: inherit; text-decoration: inherit; }
#write input[type="checkbox"] { cursor: pointer; width: inherit; height: inherit; }
figure { overflow-x: auto; margin: 1.2em 0px; max-width: calc(100% + 16px); padding: 0px; }
figure > table { margin: 0px; }
tr { break-inside: avoid; break-after: auto; }
thead { display: table-header-group; }
table { border-collapse: collapse; border-spacing: 0px; width: 100%; overflow: auto; break-inside: auto; text-align: left; }
table.md-table td { min-width: 32px; }
.CodeMirror-gutters { border-right: 0px; background-color: inherit; }
.CodeMirror-linenumber { user-select: none; }
.CodeMirror { text-align: left; }
.CodeMirror-placeholder { opacity: 0.3; }
.CodeMirror pre { padding: 0px 4px; }
.CodeMirror-lines { padding: 0px; }
div.hr:focus { cursor: none; }
#write pre { white-space: pre-wrap; }
#write.fences-no-line-wrapping pre { white-space: pre; }
#write pre.ty-contain-cm { white-space: normal; }
.CodeMirror-gutters { margin-right: 4px; }
.md-fences { font-size: 0.9rem; display: block; break-inside: avoid; text-align: left; overflow: visible; white-space: pre; background: inherit; position: relative !important; }
.md-diagram-panel { width: 100%; margin-top: 10px; text-align: center; padding-top: 0px; padding-bottom: 8px; overflow-x: auto; }
#write .md-fences.mock-cm { white-space: pre-wrap; }
.md-fences.md-fences-with-lineno { padding-left: 0px; }
#write.fences-no-line-wrapping .md-fences.mock-cm { white-space: pre; overflow-x: auto; }
.md-fences.mock-cm.md-fences-with-lineno { padding-left: 8px; }
.CodeMirror-line, twitterwidget { break-inside: avoid; }
.footnotes { opacity: 0.8; font-size: 0.9rem; margin-top: 1em; margin-bottom: 1em; }
.footnotes + .footnotes { margin-top: 0px; }
.md-reset { margin: 0px; padding: 0px; border: 0px; outline: 0px; vertical-align: top; background: 0px 0px; text-decoration: none; text-shadow: none; float: none; position: static; width: auto; height: auto; white-space: nowrap; cursor: inherit; -webkit-tap-highlight-color: transparent; line-height: normal; font-weight: 400; text-align: left; box-sizing: content-box; direction: ltr; }
li div { padding-top: 0px; }
blockquote { margin: 1rem 0px; }
li .mathjax-block, li p { margin: 0.5rem 0px; }
li { margin: 0px; position: relative; }
blockquote > :last-child { margin-bottom: 0px; }
blockquote > :first-child, li > :first-child { margin-top: 0px; }
.footnotes-area { color: rgb(136, 136, 136); margin-top: 0.714rem; padding-bottom: 0.143rem; white-space: normal; }
#write .footnote-line { white-space: pre-wrap; }
@media print {
  body, html { border: 1px solid transparent; height: 99%; break-after: avoid; break-before: avoid; font-variant-ligatures: no-common-ligatures; }
  #write { margin-top: 0px; padding-top: 0px; border-color: transparent !important; }
  .typora-export * { -webkit-print-color-adjust: exact; }
  html.blink-to-pdf { font-size: 13px; }
  .typora-export #write { break-after: avoid; }
  .typora-export #write::after { height: 0px; }
  .is-mac table { break-inside: avoid; }
}
.footnote-line { margin-top: 0.714em; font-size: 0.7em; }
a img, img a { cursor: pointer; }
pre.md-meta-block { font-size: 0.8rem; min-height: 0.8rem; white-space: pre-wrap; background: rgb(204, 204, 204); display: block; overflow-x: hidden; }
p > .md-image:only-child:not(.md-img-error) img, p > img:only-child { display: block; margin: auto; }
#write.first-line-indent p > .md-image:only-child:not(.md-img-error) img { left: -2em; position: relative; }
p > .md-image:only-child { display: inline-block; width: 100%; }
#write .MathJax_Display { margin: 0.8em 0px 0px; }
.md-math-block { width: 100%; }
.md-math-block:not(:empty)::after { display: none; }
[contenteditable="true"]:active, [contenteditable="true"]:focus, [contenteditable="false"]:active, [contenteditable="false"]:focus { outline: 0px; box-shadow: none; }
.md-task-list-item { position: relative; list-style-type: none; }
.task-list-item.md-task-list-item { padding-left: 0px; }
.md-task-list-item > input { position: absolute; top: 0px; left: 0px; margin-left: -1.2em; margin-top: calc(1em - 10px); border: none; }
.math { font-size: 1rem; }
.md-toc { min-height: 3.58rem; position: relative; font-size: 0.9rem; border-radius: 10px; }
.md-toc-content { position: relative; margin-left: 0px; }
.md-toc-content::after, .md-toc::after { display: none; }
.md-toc-item { display: block; color: rgb(65, 131, 196); }
.md-toc-item a { text-decoration: none; }
.md-toc-inner:hover { text-decoration: underline; }
.md-toc-inner { display: inline-block; cursor: pointer; }
.md-toc-h1 .md-toc-inner { margin-left: 0px; font-weight: 700; }
.md-toc-h2 .md-toc-inner { margin-left: 2em; }
.md-toc-h3 .md-toc-inner { margin-left: 4em; }
.md-toc-h4 .md-toc-inner { margin-left: 6em; }
.md-toc-h5 .md-toc-inner { margin-left: 8em; }
.md-toc-h6 .md-toc-inner { margin-left: 10em; }
@media screen and (max-width: 48em) {
  .md-toc-h3 .md-toc-inner { margin-left: 3.5em; }
  .md-toc-h4 .md-toc-inner { margin-left: 5em; }
  .md-toc-h5 .md-toc-inner { margin-left: 6.5em; }
  .md-toc-h6 .md-toc-inner { margin-left: 8em; }
}
a.md-toc-inner { font-size: inherit; font-style: inherit; font-weight: inherit; line-height: inherit; }
.footnote-line a:not(.reversefootnote) { color: inherit; }
.md-attr { display: none; }
.md-fn-count::after { content: "."; }
code, pre, samp, tt { font-family: var(--monospace); }
kbd { margin: 0px 0.1em; padding: 0.1em 0.6em; font-size: 0.8em; color: rgb(36, 39, 41); background: rgb(255, 255, 255); border: 1px solid rgb(173, 179, 185); border-radius: 3px; box-shadow: rgba(12, 13, 14, 0.2) 0px 1px 0px, rgb(255, 255, 255) 0px 0px 0px 2px inset; white-space: nowrap; vertical-align: middle; }
.md-comment { color: rgb(162, 127, 3); opacity: 0.8; font-family: var(--monospace); }
code { text-align: left; vertical-align: initial; }
a.md-print-anchor { white-space: pre !important; border-width: initial !important; border-style: none !important; border-color: initial !important; display: inline-block !important; position: absolute !important; width: 1px !important; right: 0px !important; outline: 0px !important; background: 0px 0px !important; text-decoration: initial !important; text-shadow: initial !important; }
.md-inline-math .MathJax_SVG .noError { display: none !important; }
.html-for-mac .inline-math-svg .MathJax_SVG { vertical-align: 0.2px; }
.md-math-block .MathJax_SVG_Display { text-align: center; margin: 0px; position: relative; text-indent: 0px; max-width: none; max-height: none; min-height: 0px; min-width: 100%; width: auto; overflow-y: hidden; display: block !important; }
.MathJax_SVG_Display, .md-inline-math .MathJax_SVG_Display { width: auto; margin: inherit; display: inline-block !important; }
.MathJax_SVG .MJX-monospace { font-family: var(--monospace); }
.MathJax_SVG .MJX-sans-serif { font-family: sans-serif; }
.MathJax_SVG { display: inline; font-style: normal; font-weight: 400; line-height: normal; zoom: 90%; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; }
.MathJax_SVG * { transition: none 0s ease 0s; }
.MathJax_SVG_Display svg { vertical-align: middle !important; margin-bottom: 0px !important; margin-top: 0px !important; }
.os-windows.monocolor-emoji .md-emoji { font-family: "Segoe UI Symbol", sans-serif; }
.md-diagram-panel > svg { max-width: 100%; }
[lang="flow"] svg, [lang="mermaid"] svg { max-width: 100%; height: auto; }
[lang="mermaid"] .node text { font-size: 1rem; }
table tr th { border-bottom: 0px; }
video { max-width: 100%; display: block; margin: 0px auto; }
iframe { max-width: 100%; width: 100%; border: none; }
.highlight td, .highlight tr { border: 0px; }
svg[id^="mermaidChart"] { line-height: 1em; }
mark { background: rgb(255, 255, 0); color: rgb(0, 0, 0); }
.md-html-inline .md-plain, .md-html-inline strong, mark .md-inline-math, mark strong { color: inherit; }
mark .md-meta { color: rgb(0, 0, 0); opacity: 0.3 !important; }
@media print {
  .typora-export h1, .typora-export h2, .typora-export h3, .typora-export h4, .typora-export h5, .typora-export h6 { break-inside: avoid; }
}


.CodeMirror { height: auto; }
.CodeMirror.cm-s-inner { background: inherit; }
.CodeMirror-scroll { overflow: auto hidden; z-index: 3; }
.CodeMirror-gutter-filler, .CodeMirror-scrollbar-filler { background-color: rgb(255, 255, 255); }
.CodeMirror-gutters { border-right: 1px solid rgb(221, 221, 221); background: inherit; white-space: nowrap; }
.CodeMirror-linenumber { padding: 0px 3px 0px 5px; text-align: right; color: rgb(153, 153, 153); }
.cm-s-inner .cm-keyword { color: rgb(119, 0, 136); }
.cm-s-inner .cm-atom, .cm-s-inner.cm-atom { color: rgb(34, 17, 153); }
.cm-s-inner .cm-number { color: rgb(17, 102, 68); }
.cm-s-inner .cm-def { color: rgb(0, 0, 255); }
.cm-s-inner .cm-variable { color: rgb(0, 0, 0); }
.cm-s-inner .cm-variable-2 { color: rgb(0, 85, 170); }
.cm-s-inner .cm-variable-3 { color: rgb(0, 136, 85); }
.cm-s-inner .cm-string { color: rgb(170, 17, 17); }
.cm-s-inner .cm-property { color: rgb(0, 0, 0); }
.cm-s-inner .cm-operator { color: rgb(152, 26, 26); }
.cm-s-inner .cm-comment, .cm-s-inner.cm-comment { color: rgb(170, 85, 0); }
.cm-s-inner .cm-string-2 { color: rgb(255, 85, 0); }
.cm-s-inner .cm-meta { color: rgb(85, 85, 85); }
.cm-s-inner .cm-qualifier { color: rgb(85, 85, 85); }
.cm-s-inner .cm-builtin { color: rgb(51, 0, 170); }
.cm-s-inner .cm-bracket { color: rgb(153, 153, 119); }
.cm-s-inner .cm-tag { color: rgb(17, 119, 0); }
.cm-s-inner .cm-attribute { color: rgb(0, 0, 204); }
.cm-s-inner .cm-header, .cm-s-inner.cm-header { color: rgb(0, 0, 255); }
.cm-s-inner .cm-quote, .cm-s-inner.cm-quote { color: rgb(0, 153, 0); }
.cm-s-inner .cm-hr, .cm-s-inner.cm-hr { color: rgb(153, 153, 153); }
.cm-s-inner .cm-link, .cm-s-inner.cm-link { color: rgb(0, 0, 204); }
.cm-negative { color: rgb(221, 68, 68); }
.cm-positive { color: rgb(34, 153, 34); }
.cm-header, .cm-strong { font-weight: 700; }
.cm-del { text-decoration: line-through; }
.cm-em { font-style: italic; }
.cm-link { text-decoration: underline; }
.cm-error { color: red; }
.cm-invalidchar { color: red; }
.cm-constant { color: rgb(38, 139, 210); }
.cm-defined { color: rgb(181, 137, 0); }
div.CodeMirror span.CodeMirror-matchingbracket { color: rgb(0, 255, 0); }
div.CodeMirror span.CodeMirror-nonmatchingbracket { color: rgb(255, 34, 34); }
.cm-s-inner .CodeMirror-activeline-background { background: inherit; }
.CodeMirror { position: relative; overflow: hidden; }
.CodeMirror-scroll { height: 100%; outline: 0px; position: relative; box-sizing: content-box; background: inherit; }
.CodeMirror-sizer { position: relative; }
.CodeMirror-gutter-filler, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-vscrollbar { position: absolute; z-index: 6; display: none; }
.CodeMirror-vscrollbar { right: 0px; top: 0px; overflow: hidden; }
.CodeMirror-hscrollbar { bottom: 0px; left: 0px; overflow: hidden; }
.CodeMirror-scrollbar-filler { right: 0px; bottom: 0px; }
.CodeMirror-gutter-filler { left: 0px; bottom: 0px; }
.CodeMirror-gutters { position: absolute; left: 0px; top: 0px; padding-bottom: 30px; z-index: 3; }
.CodeMirror-gutter { white-space: normal; height: 100%; box-sizing: content-box; padding-bottom: 30px; margin-bottom: -32px; display: inline-block; }
.CodeMirror-gutter-wrapper { position: absolute; z-index: 4; background: 0px 0px !important; border: none !important; }
.CodeMirror-gutter-background { position: absolute; top: 0px; bottom: 0px; z-index: 4; }
.CodeMirror-gutter-elt { position: absolute; cursor: default; z-index: 4; }
.CodeMirror-lines { cursor: text; }
.CodeMirror pre { border-radius: 0px; border-width: 0px; background: 0px 0px; font-family: inherit; font-size: inherit; margin: 0px; white-space: pre; overflow-wrap: normal; color: inherit; z-index: 2; position: relative; overflow: visible; }
.CodeMirror-wrap pre { overflow-wrap: break-word; white-space: pre-wrap; word-break: normal; }
.CodeMirror-code pre { border-right: 30px solid transparent; width: fit-content; }
.CodeMirror-wrap .CodeMirror-code pre { border-right: none; width: auto; }
.CodeMirror-linebackground { position: absolute; left: 0px; right: 0px; top: 0px; bottom: 0px; z-index: 0; }
.CodeMirror-linewidget { position: relative; z-index: 2; overflow: auto; }
.CodeMirror-wrap .CodeMirror-scroll { overflow-x: hidden; }
.CodeMirror-measure { position: absolute; width: 100%; height: 0px; overflow: hidden; visibility: hidden; }
.CodeMirror-measure pre { position: static; }
.CodeMirror div.CodeMirror-cursor { position: absolute; visibility: hidden; border-right: none; width: 0px; }
.CodeMirror div.CodeMirror-cursor { visibility: hidden; }
.CodeMirror-focused div.CodeMirror-cursor { visibility: inherit; }
.cm-searching { background: rgba(255, 255, 0, 0.4); }
@media print {
  .CodeMirror div.CodeMirror-cursor { visibility: hidden; }
}


:root {
    --side-bar-bg-color: #fafafa;
    --control-text-color: #777;
}

@include-when-export url(https://fonts.loli.net/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext);

/* open-sans-regular - latin-ext_latin */
  /* open-sans-italic - latin-ext_latin */
    /* open-sans-700 - latin-ext_latin */
    /* open-sans-700italic - latin-ext_latin */
  html {
    font-size: 16px;
}

body {
    font-family: "Open Sans","Clear Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: rgb(51, 51, 51);
    line-height: 1.6;
}

#write {
    max-width: 860px;
  	margin: 0 auto;
  	padding: 30px;
    padding-bottom: 100px;
}

@media only screen and (min-width: 1400px) {
	#write {
		max-width: 1024px;
	}
}

@media only screen and (min-width: 1800px) {
	#write {
		max-width: 1200px;
	}
}

#write > ul:first-child,
#write > ol:first-child{
    margin-top: 30px;
}

a {
    color: #4183C4;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    position: relative;
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-weight: bold;
    line-height: 1.4;
    cursor: text;
}
h1:hover a.anchor,
h2:hover a.anchor,
h3:hover a.anchor,
h4:hover a.anchor,
h5:hover a.anchor,
h6:hover a.anchor {
    text-decoration: none;
}
h1 tt,
h1 code {
    font-size: inherit;
}
h2 tt,
h2 code {
    font-size: inherit;
}
h3 tt,
h3 code {
    font-size: inherit;
}
h4 tt,
h4 code {
    font-size: inherit;
}
h5 tt,
h5 code {
    font-size: inherit;
}
h6 tt,
h6 code {
    font-size: inherit;
}
h1 {
    font-size: 2.25em;
    line-height: 1.2;
    border-bottom: 1px solid #eee;
}
h2 {
    font-size: 1.75em;
    line-height: 1.225;
    border-bottom: 1px solid #eee;
}

/*@media print {
    .typora-export h1,
    .typora-export h2 {
        border-bottom: none;
        padding-bottom: initial;
    }

    .typora-export h1::after,
    .typora-export h2::after {
        content: "";
        display: block;
        height: 100px;
        margin-top: -96px;
        border-top: 1px solid #eee;
    }
}*/

h3 {
    font-size: 1.5em;
    line-height: 1.43;
}
h4 {
    font-size: 1.25em;
}
h5 {
    font-size: 1em;
}
h6 {
   font-size: 1em;
    color: #777;
}
p,
blockquote,
ul,
ol,
dl,
table{
    margin: 0.8em 0;
}
li>ol,
li>ul {
    margin: 0 0;
}
hr {
    height: 2px;
    padding: 0;
    margin: 16px 0;
    background-color: #e7e7e7;
    border: 0 none;
    overflow: hidden;
    box-sizing: content-box;
}

li p.first {
    display: inline-block;
}
ul,
ol {
    padding-left: 30px;
}
ul:first-child,
ol:first-child {
    margin-top: 0;
}
ul:last-child,
ol:last-child {
    margin-bottom: 0;
}
blockquote {
    border-left: 4px solid #dfe2e5;
    padding: 0 15px;
    color: #777777;
}
blockquote blockquote {
    padding-right: 0;
}
table {
    padding: 0;
    word-break: initial;
}
table tr {
    border-top: 1px solid #dfe2e5;
    margin: 0;
    padding: 0;
}
table tr:nth-child(2n),
thead {
    background-color: #f8f8f8;
}
table tr th {
    font-weight: bold;
    border: 1px solid #dfe2e5;
    border-bottom: 0;
    margin: 0;
    padding: 6px 13px;
}
table tr td {
    border: 1px solid #dfe2e5;
    margin: 0;
    padding: 6px 13px;
}
table tr th:first-child,
table tr td:first-child {
    margin-top: 0;
}
table tr th:last-child,
table tr td:last-child {
    margin-bottom: 0;
}

.CodeMirror-lines {
    padding-left: 4px;
}

.code-tooltip {
    box-shadow: 0 1px 1px 0 rgba(0,28,36,.3);
    border-top: 1px solid #eef2f2;
}

.md-fences,
code,
tt {
    border: 1px solid #e7eaed;
    background-color: #f8f8f8;
    border-radius: 3px;
    padding: 0;
    padding: 2px 4px 0px 4px;
    font-size: 0.9em;
}

code {
    background-color: #f3f4f4;
    padding: 0 2px 0 2px;
}

.md-fences {
    margin-bottom: 15px;
    margin-top: 15px;
    padding-top: 8px;
    padding-bottom: 6px;
}


.md-task-list-item > input {
  margin-left: -1.3em;
}

@media print {
    html {
        font-size: 13px;
    }
    table,
    pre {
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<div id='write'  class=''><p><span>常数巨大</span></p><!--more--><p><span>目前有的东西：</span></p><h1><a name="常规" class="md-header-anchor"></a><span>常规</span></h1><ul><li><span>NTT</span></li><li><span>卷积</span></li><li><span>求逆</span></li><li><span>求导，积分</span></li><li><span>Ln</span></li><li><span>Exp</span></li><li><span>Power</span></li><li><span>多点求值（</span><strong><span>Multi</span></strong><span>point </span><strong><span>Eval</span></strong><span>uation）</span></li><li><span>快速插值（</span><strong><span>Int</span></strong><span>er</span><strong><span>po</span></strong><span>lation）</span></li></ul><h1><a name="任意模数" class="md-header-anchor"></a><span>任意模数</span></h1><p><span>暂无。</span></p><h1><a name="下降幂" class="md-header-anchor"></a><span>下降幂</span></h1><p><span>暂无。</span></p><h1><a name="历次-upd" class="md-header-anchor"></a><span>历次 UPD</span></h1><h2><a name="923" class="md-header-anchor"></a><span>9.23</span></h2><ul><li><span>建立了本页。</span></li><li><span>单位根改为用 log 个 vector 存，NTT 时直接操作指针，大大优化了寻址速度。</span></li><li><span>增加了快速插值。</span></li></ul><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="cpp" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="cpp"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><span><span>​</span>x</span></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#include&lt;bits/stdc++.h&gt;</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#define ll long long</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">using</span> <span class="cm-keyword">namespace</span> <span class="cm-def">std</span>; </span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">const</span> <span class="cm-variable-3">int</span> <span class="cm-variable">p</span><span class="cm-operator">=</span><span class="cm-number">998244353</span>,<span class="cm-variable">maxN</span><span class="cm-operator">=</span><span class="cm-number">262144</span><span class="cm-operator">*</span><span class="cm-number">2</span>,<span class="cm-variable">maxK</span><span class="cm-operator">=</span><span class="cm-number">20</span>,<span class="cm-variable">g</span><span class="cm-operator">=</span><span class="cm-number">3</span>,<span class="cm-variable">ig</span><span class="cm-operator">=</span><span class="cm-number">332748118</span>,<span class="cm-variable">inv2</span><span class="cm-operator">=</span>(<span class="cm-variable">p</span><span class="cm-operator">+</span><span class="cm-number">1</span>)<span class="cm-operator">/</span><span class="cm-number">2</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable-3">int</span> <span class="cm-def">calc</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">n</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">x</span><span class="cm-operator">=</span><span class="cm-number">1</span>;<span class="cm-keyword">while</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;</span><span class="cm-variable">n</span>) <span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;=</span><span class="cm-number">1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">x</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">struct</span> <span class="cm-def">Z</span>{</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">x</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Z</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">x0</span><span class="cm-operator">=</span><span class="cm-number">0</span>):<span class="cm-variable">x</span>(<span class="cm-variable">x0</span>){}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}; </span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable-3">int</span> <span class="cm-keyword">inline</span> <span class="cm-variable">check</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">x</span>){<span class="cm-keyword">return</span> <span class="cm-variable">x</span><span class="cm-operator">&gt;=</span><span class="cm-variable">p</span><span class="cm-operator">?</span><span class="cm-variable">x</span><span class="cm-operator">-</span><span class="cm-variable">p</span>:<span class="cm-variable">x</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Z</span> <span class="cm-keyword">operator</span> <span class="cm-operator">+</span>(<span class="cm-keyword">const</span> <span class="cm-variable">Z</span> <span class="cm-variable">a</span>,<span class="cm-keyword">const</span> <span class="cm-variable">Z</span> <span class="cm-variable">b</span>){<span class="cm-keyword">return</span> <span class="cm-variable">check</span>(<span class="cm-variable">a</span>.<span class="cm-variable">x</span><span class="cm-operator">+</span><span class="cm-variable">b</span>.<span class="cm-variable">x</span>);}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Z</span> <span class="cm-keyword">operator</span> <span class="cm-operator">-</span>(<span class="cm-keyword">const</span> <span class="cm-variable">Z</span> <span class="cm-variable">a</span>,<span class="cm-keyword">const</span> <span class="cm-variable">Z</span> <span class="cm-variable">b</span>){<span class="cm-keyword">return</span> <span class="cm-variable">check</span>(<span class="cm-variable">a</span>.<span class="cm-variable">x</span><span class="cm-operator">-</span><span class="cm-variable">b</span>.<span class="cm-variable">x</span><span class="cm-operator">+</span><span class="cm-variable">p</span>);}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Z</span> <span class="cm-keyword">operator</span> <span class="cm-operator">*</span>(<span class="cm-keyword">const</span> <span class="cm-variable">Z</span> <span class="cm-variable">a</span>,<span class="cm-keyword">const</span> <span class="cm-variable">Z</span> <span class="cm-variable">b</span>){<span class="cm-keyword">return</span> <span class="cm-number">1LL</span><span class="cm-operator">*</span><span class="cm-variable">a</span>.<span class="cm-variable">x</span><span class="cm-operator">*</span><span class="cm-variable">b</span>.<span class="cm-variable">x</span><span class="cm-operator">%</span><span class="cm-variable">p</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Z</span> <span class="cm-keyword">operator</span> <span class="cm-operator">-</span>(<span class="cm-keyword">const</span> <span class="cm-variable">Z</span> <span class="cm-variable">a</span>){<span class="cm-keyword">return</span> <span class="cm-variable">check</span>(<span class="cm-variable">p</span><span class="cm-operator">-</span><span class="cm-variable">a</span>.<span class="cm-variable">x</span>);}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Z</span><span class="cm-operator">&amp;</span> <span class="cm-keyword">operator</span> <span class="cm-operator">+=</span>(<span class="cm-variable">Z</span> <span class="cm-operator">&amp;</span><span class="cm-variable">a</span>,<span class="cm-keyword">const</span> <span class="cm-variable">Z</span> <span class="cm-variable">b</span>){<span class="cm-keyword">return</span> <span class="cm-variable">a</span><span class="cm-operator">=</span><span class="cm-variable">a</span><span class="cm-operator">+</span><span class="cm-variable">b</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Z</span><span class="cm-operator">&amp;</span> <span class="cm-keyword">operator</span> <span class="cm-operator">-=</span>(<span class="cm-variable">Z</span> <span class="cm-operator">&amp;</span><span class="cm-variable">a</span>,<span class="cm-keyword">const</span> <span class="cm-variable">Z</span> <span class="cm-variable">b</span>){<span class="cm-keyword">return</span> <span class="cm-variable">a</span><span class="cm-operator">=</span><span class="cm-variable">a</span><span class="cm-operator">-</span><span class="cm-variable">b</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Z</span><span class="cm-operator">&amp;</span> <span class="cm-keyword">operator</span> <span class="cm-operator">*=</span>(<span class="cm-variable">Z</span> <span class="cm-operator">&amp;</span><span class="cm-variable">a</span>,<span class="cm-keyword">const</span> <span class="cm-variable">Z</span> <span class="cm-variable">b</span>){<span class="cm-keyword">return</span> <span class="cm-variable">a</span><span class="cm-operator">=</span><span class="cm-variable">a</span><span class="cm-operator">*</span><span class="cm-variable">b</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">vector</span><span class="cm-operator">&lt;</span><span class="cm-variable">Z</span><span class="cm-operator">&gt;</span> <span class="cm-variable">W</span>[<span class="cm-variable">maxK</span>],<span class="cm-variable">iW</span>[<span class="cm-variable">maxK</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Z</span> <span class="cm-variable">fac</span>[<span class="cm-variable">maxN</span>],<span class="cm-variable">ifac</span>[<span class="cm-variable">maxN</span>],<span class="cm-variable">inv</span>[<span class="cm-variable">maxN</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Z</span> <span class="cm-def">qpow</span>(<span class="cm-variable">Z</span> <span class="cm-variable">a</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">k</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-variable">Z</span> <span class="cm-variable">ans</span><span class="cm-operator">=</span><span class="cm-number">1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-keyword">while</span>(<span class="cm-variable">k</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-keyword">if</span>(<span class="cm-variable">k</span><span class="cm-operator">&amp;</span><span class="cm-number">1</span>) <span class="cm-variable">ans</span><span class="cm-operator">*=</span><span class="cm-variable">a</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">a</span><span class="cm-operator">*=</span><span class="cm-variable">a</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">k</span><span class="cm-operator">&gt;&gt;=</span><span class="cm-number">1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-keyword">return</span> <span class="cm-variable">ans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable-3">void</span> <span class="cm-def">init</span>(){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">k</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">k</span><span class="cm-operator">&lt;</span><span class="cm-variable">maxK</span>;<span class="cm-variable">k</span><span class="cm-operator">++</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Z</span> <span class="cm-variable">w</span><span class="cm-operator">=</span><span class="cm-variable">qpow</span>(<span class="cm-variable">g</span>,(<span class="cm-variable">p</span><span class="cm-operator">-</span><span class="cm-number">1</span>)<span class="cm-operator">&gt;&gt;</span><span class="cm-variable">k</span>),<span class="cm-variable">iw</span><span class="cm-operator">=</span><span class="cm-variable">qpow</span>(<span class="cm-variable">ig</span>,(<span class="cm-variable">p</span><span class="cm-operator">-</span><span class="cm-number">1</span>)<span class="cm-operator">&gt;&gt;</span><span class="cm-variable">k</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">W</span>[<span class="cm-variable">k</span>].<span class="cm-variable">resize</span>(<span class="cm-number">1</span><span class="cm-operator">&lt;&lt;</span><span class="cm-variable">k</span>);<span class="cm-variable">iW</span>[<span class="cm-variable">k</span>].<span class="cm-variable">resize</span>(<span class="cm-number">1</span><span class="cm-operator">&lt;&lt;</span><span class="cm-variable">k</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span> &nbsp; &nbsp;<span class="cm-variable">W</span>[<span class="cm-variable">k</span>][<span class="cm-number">0</span>]<span class="cm-operator">=</span><span class="cm-variable">iW</span>[<span class="cm-variable">k</span>][<span class="cm-number">0</span>]<span class="cm-operator">=</span><span class="cm-number">1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span> &nbsp; &nbsp;<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">1</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span>(<span class="cm-number">1</span><span class="cm-operator">&lt;&lt;</span><span class="cm-variable">k</span>);<span class="cm-variable">i</span><span class="cm-operator">++</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">W</span>[<span class="cm-variable">k</span>][<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">W</span>[<span class="cm-variable">k</span>][<span class="cm-variable">i</span><span class="cm-operator">-</span><span class="cm-number">1</span>]<span class="cm-operator">*</span><span class="cm-variable">w</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">iW</span>[<span class="cm-variable">k</span>][<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">iW</span>[<span class="cm-variable">k</span>][<span class="cm-variable">i</span><span class="cm-operator">-</span><span class="cm-number">1</span>]<span class="cm-operator">*</span><span class="cm-variable">iw</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-variable">fac</span>[<span class="cm-number">0</span>]<span class="cm-operator">=</span><span class="cm-variable">ifac</span>[<span class="cm-number">0</span>]<span class="cm-operator">=</span><span class="cm-variable">fac</span>[<span class="cm-number">1</span>]<span class="cm-operator">=</span><span class="cm-variable">ifac</span>[<span class="cm-number">1</span>]<span class="cm-operator">=</span><span class="cm-variable">inv</span>[<span class="cm-number">1</span>]<span class="cm-operator">=</span><span class="cm-number">1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">2</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">maxN</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  <span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">fac</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">fac</span>[<span class="cm-variable">i</span><span class="cm-operator">-</span><span class="cm-number">1</span>]<span class="cm-operator">*</span><span class="cm-variable">i</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  <span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">inv</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span>(<span class="cm-variable">p</span><span class="cm-operator">-</span><span class="cm-variable">p</span><span class="cm-operator">/</span><span class="cm-variable">i</span>)<span class="cm-operator">*</span><span class="cm-variable">inv</span>[<span class="cm-variable">p</span><span class="cm-operator">%</span><span class="cm-variable">i</span>],</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  <span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">ifac</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">ifac</span>[<span class="cm-variable">i</span><span class="cm-operator">-</span><span class="cm-number">1</span>]<span class="cm-operator">*</span><span class="cm-variable">inv</span>[<span class="cm-variable">i</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable-3">int</span> <span class="cm-variable">R</span>[<span class="cm-variable">maxN</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable-3">void</span> <span class="cm-def">NTT</span>(<span class="cm-variable">Z</span> <span class="cm-variable">d</span>[],<span class="cm-variable-3">bool</span> <span class="cm-variable">flg</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">n0</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-variable-3">int</span> <span class="cm-variable">x</span><span class="cm-operator">=</span><span class="cm-number">1</span>,<span class="cm-variable">len</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-keyword">while</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;</span><span class="cm-variable">n0</span>) <span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;=</span><span class="cm-number">1</span>,<span class="cm-variable">len</span><span class="cm-operator">++</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">x</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">R</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span>(<span class="cm-variable">R</span>[<span class="cm-variable">i</span><span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>]<span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>)<span class="cm-operator">|</span>((<span class="cm-variable">i</span><span class="cm-operator">&amp;</span><span class="cm-number">1</span>)<span class="cm-operator">&lt;&lt;</span>(<span class="cm-variable">len</span><span class="cm-operator">-</span><span class="cm-number">1</span>));</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-keyword">if</span>(<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">R</span>[<span class="cm-variable">i</span>]) <span class="cm-variable">swap</span>(<span class="cm-variable">d</span>[<span class="cm-variable">i</span>],<span class="cm-variable">d</span>[<span class="cm-variable">R</span>[<span class="cm-variable">i</span>]]);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">1</span>,<span class="cm-variable">k</span><span class="cm-operator">=</span><span class="cm-number">1</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">x</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;&lt;=</span><span class="cm-number">1</span>,<span class="cm-variable">k</span><span class="cm-operator">++</span>)</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">j</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">j</span><span class="cm-operator">&lt;</span><span class="cm-variable">x</span>;<span class="cm-variable">j</span><span class="cm-operator">+=</span>(<span class="cm-variable">i</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>)){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  <span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Z</span> <span class="cm-operator">*</span><span class="cm-variable">a0</span><span class="cm-operator">=</span><span class="cm-variable">d</span><span class="cm-operator">+</span><span class="cm-variable">j</span>,<span class="cm-operator">*</span><span class="cm-variable">a1</span><span class="cm-operator">=</span><span class="cm-variable">d</span><span class="cm-operator">+</span><span class="cm-variable">j</span><span class="cm-operator">+</span><span class="cm-variable">i</span>,<span class="cm-operator">*</span><span class="cm-variable">w</span><span class="cm-operator">=</span>(<span class="cm-variable">flg</span><span class="cm-operator">?</span><span class="cm-variable">iW</span>[<span class="cm-variable">k</span>].<span class="cm-variable">data</span>():<span class="cm-variable">W</span>[<span class="cm-variable">k</span>].<span class="cm-variable">data</span>()),<span class="cm-variable">tmp</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span> &nbsp; &nbsp;<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">k</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">k</span><span class="cm-operator">&lt;</span><span class="cm-variable">i</span>;<span class="cm-variable">k</span><span class="cm-operator">++</span>,<span class="cm-variable">a0</span><span class="cm-operator">++</span>,<span class="cm-variable">a1</span><span class="cm-operator">++</span>,<span class="cm-variable">w</span><span class="cm-operator">++</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span> &nbsp;  <span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">tmp</span><span class="cm-operator">=</span>(<span class="cm-operator">*</span><span class="cm-variable">a1</span>)<span class="cm-operator">*</span>(<span class="cm-operator">*</span><span class="cm-variable">w</span>),<span class="cm-operator">*</span><span class="cm-variable">a1</span><span class="cm-operator">=*</span><span class="cm-variable">a0</span><span class="cm-operator">-</span><span class="cm-variable">tmp</span>,<span class="cm-operator">*</span><span class="cm-variable">a0</span><span class="cm-operator">+=</span><span class="cm-variable">tmp</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span> &nbsp;  }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-keyword">if</span>(<span class="cm-variable">flg</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">Z</span> <span class="cm-variable">invx</span><span class="cm-operator">=</span><span class="cm-variable">qpow</span>(<span class="cm-variable">x</span>,<span class="cm-variable">p</span><span class="cm-operator">-</span><span class="cm-number">2</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">x</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">d</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">d</span>[<span class="cm-variable">i</span>]<span class="cm-operator">*</span><span class="cm-variable">invx</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">struct</span> <span class="cm-def">Poly</span>:<span class="cm-variable">vector</span><span class="cm-operator">&lt;</span><span class="cm-variable">Z</span><span class="cm-operator">&gt;</span>{</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">using</span> <span class="cm-variable">vector</span><span class="cm-operator">&lt;</span><span class="cm-variable">Z</span><span class="cm-operator">&gt;</span>::<span class="cm-variable">vector</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">void</span> <span class="cm-variable">DFT</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">n0</span>){<span class="cm-keyword">if</span>(<span class="cm-keyword">this</span><span class="cm-operator">-&gt;</span><span class="cm-variable">size</span>()<span class="cm-operator">&lt;</span><span class="cm-variable">n0</span>) <span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);<span class="cm-variable">NTT</span>(<span class="cm-keyword">this</span><span class="cm-operator">-&gt;</span><span class="cm-variable">data</span>(),<span class="cm-number">0</span>,<span class="cm-variable">n0</span>);}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">void</span> <span class="cm-variable">iDFT</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">n0</span>){<span class="cm-keyword">if</span>(<span class="cm-keyword">this</span><span class="cm-operator">-&gt;</span><span class="cm-variable">size</span>()<span class="cm-operator">&lt;</span><span class="cm-variable">n0</span>) <span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);<span class="cm-variable">NTT</span>(<span class="cm-keyword">this</span><span class="cm-operator">-&gt;</span><span class="cm-variable">data</span>(),<span class="cm-number">1</span>,<span class="cm-variable">n0</span>);}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">slice</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">n</span>){<span class="cm-keyword">return</span> <span class="cm-variable">Poly</span>(<span class="cm-keyword">this</span><span class="cm-operator">-&gt;</span><span class="cm-variable">data</span>(),<span class="cm-keyword">this</span><span class="cm-operator">-&gt;</span><span class="cm-variable">data</span>()<span class="cm-operator">+</span><span class="cm-variable">n</span>);}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">};</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Poly</span> <span class="cm-def">Conv</span>(<span class="cm-variable">Poly</span> <span class="cm-variable">d1</span>,<span class="cm-variable">Poly</span> <span class="cm-variable">d2</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">n0</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">if</span>(<span class="cm-variable">n0</span><span class="cm-operator">&lt;=</span><span class="cm-number">32</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">d1</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);<span class="cm-variable">d2</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-variable">n0</span><span class="cm-operator">-</span><span class="cm-number">1</span>;<span class="cm-variable">i</span><span class="cm-operator">&gt;=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">--</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Z</span> <span class="cm-variable">tmp</span><span class="cm-operator">=</span><span class="cm-number">0</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">j</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">j</span><span class="cm-operator">&lt;=</span><span class="cm-variable">i</span>;<span class="cm-variable">j</span><span class="cm-operator">++</span>) <span class="cm-variable">tmp</span><span class="cm-operator">+=</span><span class="cm-variable">d1</span>[<span class="cm-variable">i</span><span class="cm-operator">-</span><span class="cm-variable">j</span>]<span class="cm-operator">*</span><span class="cm-variable">d2</span>[<span class="cm-variable">j</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">d1</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">tmp</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">d1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">x</span><span class="cm-operator">=</span><span class="cm-number">1</span>;<span class="cm-keyword">while</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;</span><span class="cm-variable">n0</span>) <span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;=</span><span class="cm-number">1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">d1</span>.<span class="cm-variable">DFT</span>(<span class="cm-variable">x</span>);<span class="cm-variable">d2</span>.<span class="cm-variable">DFT</span>(<span class="cm-variable">x</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">x</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">d1</span>[<span class="cm-variable">i</span>]<span class="cm-operator">*=</span><span class="cm-variable">d2</span>[<span class="cm-variable">i</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">d1</span>.<span class="cm-variable">iDFT</span>(<span class="cm-variable">x</span>);<span class="cm-variable">d1</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">d1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Poly</span> <span class="cm-def">Add</span>(<span class="cm-variable">Poly</span> <span class="cm-variable">d1</span>,<span class="cm-variable">Poly</span> <span class="cm-variable">d2</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">d1</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">max</span>(<span class="cm-variable">d1</span>.<span class="cm-variable">size</span>(),<span class="cm-variable">d2</span>.<span class="cm-variable">size</span>()));<span class="cm-variable">d2</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">d1</span>.<span class="cm-variable">size</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">d1</span>.<span class="cm-variable">size</span>();<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">d1</span>[<span class="cm-variable">i</span>]<span class="cm-operator">+=</span><span class="cm-variable">d2</span>[<span class="cm-variable">i</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">d1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Poly</span> <span class="cm-def">Inv</span>(<span class="cm-variable">Poly</span> <span class="cm-variable">d</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">n0</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">ans</span>;<span class="cm-variable">ans</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);<span class="cm-variable">ans</span>[<span class="cm-number">0</span>]<span class="cm-operator">=</span><span class="cm-variable">qpow</span>(<span class="cm-variable">d</span>[<span class="cm-number">0</span>],<span class="cm-variable">p</span><span class="cm-operator">-</span><span class="cm-number">2</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">n</span><span class="cm-operator">=</span><span class="cm-number">2</span>;<span class="cm-variable">n</span><span class="cm-operator">&lt;=</span><span class="cm-variable">n0</span>;<span class="cm-variable">n</span><span class="cm-operator">&lt;&lt;=</span><span class="cm-number">1</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">Poly</span> <span class="cm-variable">P</span>(<span class="cm-variable">ans</span>.<span class="cm-variable">data</span>(),<span class="cm-variable">ans</span>.<span class="cm-variable">data</span>()<span class="cm-operator">+</span><span class="cm-variable">n</span>),<span class="cm-variable">Q</span>(<span class="cm-variable">d</span>.<span class="cm-variable">data</span>(),<span class="cm-variable">d</span>.<span class="cm-variable">data</span>()<span class="cm-operator">+</span><span class="cm-variable">n</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">P</span>.<span class="cm-variable">DFT</span>(<span class="cm-variable">n</span>),<span class="cm-variable">Q</span>.<span class="cm-variable">DFT</span>(<span class="cm-variable">n</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">n</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">Q</span>[<span class="cm-variable">i</span>]<span class="cm-operator">*=</span><span class="cm-variable">P</span>[<span class="cm-variable">i</span>];<span class="cm-variable">Q</span>.<span class="cm-variable">iDFT</span>(<span class="cm-variable">n</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span>(<span class="cm-variable">n</span><span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>);<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">Q</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">Q</span>.<span class="cm-variable">DFT</span>(<span class="cm-variable">n</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">n</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">P</span>[<span class="cm-variable">i</span>]<span class="cm-operator">*=</span><span class="cm-variable">Q</span>[<span class="cm-variable">i</span>];<span class="cm-variable">P</span>.<span class="cm-variable">iDFT</span>(<span class="cm-variable">n</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span>(<span class="cm-variable">n</span><span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>);<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">n</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">ans</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=-</span><span class="cm-variable">P</span>[<span class="cm-variable">i</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">ans</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);<span class="cm-keyword">return</span> <span class="cm-variable">ans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Poly</span> <span class="cm-def">Der</span>(<span class="cm-variable">Poly</span> <span class="cm-variable">d</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">n0</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">ans</span>;<span class="cm-variable">ans</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">n0</span><span class="cm-operator">-</span><span class="cm-number">1</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">ans</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">d</span>[<span class="cm-variable">i</span><span class="cm-operator">+</span><span class="cm-number">1</span>]<span class="cm-operator">*</span>(<span class="cm-variable">i</span><span class="cm-operator">+</span><span class="cm-number">1</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">ans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Poly</span> <span class="cm-def">Int</span>(<span class="cm-variable">Poly</span> <span class="cm-variable">d</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">n0</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">ans</span>;<span class="cm-variable">ans</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-variable">n0</span><span class="cm-operator">-</span><span class="cm-number">2</span>;<span class="cm-variable">i</span><span class="cm-operator">&gt;=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">--</span>) <span class="cm-variable">ans</span>[<span class="cm-variable">i</span><span class="cm-operator">+</span><span class="cm-number">1</span>]<span class="cm-operator">=</span><span class="cm-variable">d</span>[<span class="cm-variable">i</span>]<span class="cm-operator">*</span><span class="cm-variable">inv</span>[<span class="cm-variable">i</span><span class="cm-operator">+</span><span class="cm-number">1</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">ans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Poly</span> <span class="cm-def">Ln</span>(<span class="cm-variable">Poly</span> <span class="cm-variable">d</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">n0</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">Int</span>(<span class="cm-variable">Conv</span>(<span class="cm-variable">Der</span>(<span class="cm-variable">d</span>,<span class="cm-variable">n0</span>),<span class="cm-variable">Inv</span>(<span class="cm-variable">d</span>,<span class="cm-variable">n0</span>),<span class="cm-variable">n0</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>),<span class="cm-variable">n0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Poly</span> <span class="cm-def">Exp</span>(<span class="cm-variable">Poly</span> <span class="cm-variable">d</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">n0</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">ans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">if</span>(<span class="cm-variable">n0</span><span class="cm-operator">==</span><span class="cm-number">1</span>){<span class="cm-variable">ans</span>.<span class="cm-variable">push_back</span>(<span class="cm-number">1</span>);<span class="cm-keyword">return</span> <span class="cm-variable">ans</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">ans</span><span class="cm-operator">=</span><span class="cm-variable">Exp</span>(<span class="cm-variable">d</span>,<span class="cm-variable">n0</span><span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>);<span class="cm-variable">ans</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">lnans</span><span class="cm-operator">=</span><span class="cm-variable">Ln</span>(<span class="cm-variable">ans</span>,<span class="cm-variable">n0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">n0</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">lnans</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">d</span>[<span class="cm-variable">i</span>]<span class="cm-operator">-</span><span class="cm-variable">lnans</span>[<span class="cm-variable">i</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">lnans</span>[<span class="cm-number">0</span>]<span class="cm-operator">+=</span><span class="cm-number">1</span>;<span class="cm-variable">ans</span><span class="cm-operator">=</span><span class="cm-variable">Conv</span>(<span class="cm-variable">ans</span>,<span class="cm-variable">lnans</span>,<span class="cm-variable">n0</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">ans</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">ans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable">Poly</span> <span class="cm-def">Pow</span>(<span class="cm-variable">Poly</span> <span class="cm-variable">d</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">n0</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">k</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">tmppow</span>,<span class="cm-variable">ans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">pos</span><span class="cm-operator">=-</span><span class="cm-number">1</span>;<span class="cm-variable">Z</span> <span class="cm-variable">a0</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">n0</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-keyword">if</span>(<span class="cm-variable">d</span>[<span class="cm-variable">i</span>].<span class="cm-variable">x</span><span class="cm-operator">!=</span><span class="cm-number">0</span>){<span class="cm-variable">pos</span><span class="cm-operator">=</span><span class="cm-variable">i</span>;<span class="cm-keyword">break</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">if</span>(<span class="cm-variable">pos</span><span class="cm-operator">==-</span><span class="cm-number">1</span>){<span class="cm-variable">ans</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);<span class="cm-keyword">return</span> <span class="cm-variable">ans</span>;}<span class="cm-variable">a0</span><span class="cm-operator">=</span><span class="cm-variable">qpow</span>(<span class="cm-variable">d</span>[<span class="cm-variable">pos</span>],<span class="cm-variable">p</span><span class="cm-operator">-</span><span class="cm-number">2</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">tmppow</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">n0</span>);<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">n0</span><span class="cm-operator">-</span><span class="cm-variable">pos</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">tmppow</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">d</span>[<span class="cm-variable">i</span><span class="cm-operator">+</span><span class="cm-variable">pos</span>]<span class="cm-operator">*</span><span class="cm-variable">a0</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">tmppow</span><span class="cm-operator">=</span><span class="cm-variable">Ln</span>(<span class="cm-variable">tmppow</span>,<span class="cm-variable">n0</span>);<span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">n0</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">tmppow</span>[<span class="cm-variable">i</span>]<span class="cm-operator">*=</span><span class="cm-variable">k</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">ans</span><span class="cm-operator">=</span><span class="cm-variable">Exp</span>(<span class="cm-variable">tmppow</span>,<span class="cm-variable">n0</span>);<span class="cm-variable">a0</span><span class="cm-operator">=</span><span class="cm-variable">qpow</span>(<span class="cm-variable">d</span>[<span class="cm-variable">pos</span>],<span class="cm-variable">k</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-variable">n0</span><span class="cm-operator">-</span><span class="cm-number">1</span>;<span class="cm-variable">i</span><span class="cm-operator">&gt;=</span><span class="cm-number">1LL</span><span class="cm-operator">*</span><span class="cm-variable">k</span><span class="cm-operator">*</span><span class="cm-variable">pos</span>;<span class="cm-variable">i</span><span class="cm-operator">--</span>) <span class="cm-variable">ans</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">ans</span>[<span class="cm-variable">i</span><span class="cm-operator">-</span><span class="cm-number">1LL</span><span class="cm-operator">*</span><span class="cm-variable">k</span><span class="cm-operator">*</span><span class="cm-variable">pos</span>]<span class="cm-operator">*</span><span class="cm-variable">a0</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-variable">min</span>(<span class="cm-number">1LL</span><span class="cm-operator">*</span><span class="cm-variable">k</span><span class="cm-operator">*</span><span class="cm-variable">pos</span><span class="cm-operator">-</span><span class="cm-number">1</span>,(<span class="cm-variable">ll</span>)<span class="cm-variable">n0</span><span class="cm-operator">-</span><span class="cm-number">1</span>);<span class="cm-variable">i</span><span class="cm-operator">&gt;=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">--</span>) <span class="cm-variable">ans</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-number">0</span>; </span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">ans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">} </span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">namespace</span> <span class="cm-def">MultiEval</span>{</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">F</span>,<span class="cm-variable">A</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">V</span>[<span class="cm-variable">maxN</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">2</span>],<span class="cm-variable">G</span>[<span class="cm-variable">maxN</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">2</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">ans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">void</span> <span class="cm-def">Get_V</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">x</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">l</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">r</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">if</span>(<span class="cm-variable">l</span><span class="cm-operator">==</span><span class="cm-variable">r</span>){<span class="cm-variable">V</span>[<span class="cm-variable">x</span>].<span class="cm-variable">push_back</span>(<span class="cm-number">1</span>);<span class="cm-variable">V</span>[<span class="cm-variable">x</span>].<span class="cm-variable">push_back</span>(<span class="cm-operator">-</span><span class="cm-variable">A</span>[<span class="cm-variable">l</span>]);<span class="cm-keyword">return</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">mid</span><span class="cm-operator">=</span>(<span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-variable">r</span>)<span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Get_V</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>,<span class="cm-variable">l</span>,<span class="cm-variable">mid</span>);<span class="cm-variable">Get_V</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>,<span class="cm-variable">mid</span><span class="cm-operator">+</span><span class="cm-number">1</span>,<span class="cm-variable">r</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">V</span>[<span class="cm-variable">x</span>]<span class="cm-operator">=</span><span class="cm-variable">Conv</span>(<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>],<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>],<span class="cm-variable">r</span><span class="cm-operator">-</span><span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-number">2</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">void</span> <span class="cm-def">Get_G</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">x</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">l</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">r</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">if</span>(<span class="cm-variable">l</span><span class="cm-operator">==</span><span class="cm-variable">r</span>){<span class="cm-variable">ans</span>.<span class="cm-variable">push_back</span>(<span class="cm-variable">G</span>[<span class="cm-variable">x</span>][<span class="cm-number">0</span>]);<span class="cm-keyword">return</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">mid</span><span class="cm-operator">=</span>(<span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-variable">r</span>)<span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>,<span class="cm-variable">N0</span><span class="cm-operator">=</span>(<span class="cm-variable">r</span><span class="cm-operator">-</span><span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-number">1</span>)<span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">reverse</span>(<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>].<span class="cm-variable">begin</span>(),<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>].<span class="cm-variable">end</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>]<span class="cm-operator">=</span><span class="cm-variable">Conv</span>(<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>],<span class="cm-variable">G</span>[<span class="cm-variable">x</span>],<span class="cm-variable">N0</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">G</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>].<span class="cm-variable">resize</span>(<span class="cm-variable">N0</span>);<span class="cm-variable">copy</span>(<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>].<span class="cm-variable">begin</span>()<span class="cm-operator">+</span><span class="cm-variable">N0</span>,<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>].<span class="cm-variable">end</span>(),<span class="cm-variable">G</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>].<span class="cm-variable">begin</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">reverse</span>(<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>].<span class="cm-variable">begin</span>(),<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>].<span class="cm-variable">end</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>]<span class="cm-operator">=</span><span class="cm-variable">Conv</span>(<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>],<span class="cm-variable">G</span>[<span class="cm-variable">x</span>],<span class="cm-variable">N0</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">G</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>].<span class="cm-variable">resize</span>(<span class="cm-variable">N0</span>);<span class="cm-variable">copy</span>(<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>].<span class="cm-variable">begin</span>()<span class="cm-operator">+</span><span class="cm-variable">N0</span>,<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>].<span class="cm-variable">end</span>(),<span class="cm-variable">G</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>].<span class="cm-variable">begin</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Get_G</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>,<span class="cm-variable">l</span>,<span class="cm-variable">mid</span>);<span class="cm-variable">Get_G</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>,<span class="cm-variable">mid</span><span class="cm-operator">+</span><span class="cm-number">1</span>,<span class="cm-variable">r</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">void</span> <span class="cm-def">clear</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">x</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">l</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">r</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">V</span>[<span class="cm-variable">x</span>].<span class="cm-variable">clear</span>();<span class="cm-variable">G</span>[<span class="cm-variable">x</span>].<span class="cm-variable">clear</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">if</span>(<span class="cm-variable">l</span><span class="cm-operator">==</span><span class="cm-variable">r</span>) <span class="cm-keyword">return</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">mid</span><span class="cm-operator">=</span>(<span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-variable">r</span>)<span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>;<span class="cm-variable">clear</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>,<span class="cm-variable">l</span>,<span class="cm-variable">mid</span>);<span class="cm-variable">clear</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>,<span class="cm-variable">mid</span><span class="cm-operator">+</span><span class="cm-number">1</span>,<span class="cm-variable">r</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-def">Solve</span>(<span class="cm-variable">Poly</span> <span class="cm-variable">dF</span>,<span class="cm-variable">Poly</span> <span class="cm-variable">dA</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">N0</span><span class="cm-operator">=</span><span class="cm-variable">calc</span>(<span class="cm-variable">max</span>(<span class="cm-variable">dF</span>.<span class="cm-variable">size</span>(),<span class="cm-variable">dA</span>.<span class="cm-variable">size</span>()<span class="cm-operator">+</span><span class="cm-number">1</span>));</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">F</span><span class="cm-operator">=</span><span class="cm-variable">dF</span>,<span class="cm-variable">A</span><span class="cm-operator">=</span><span class="cm-variable">dA</span>;<span class="cm-variable">F</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">N0</span>);<span class="cm-variable">A</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">N0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Get_V</span>(<span class="cm-number">1</span>,<span class="cm-number">0</span>,<span class="cm-variable">N0</span><span class="cm-operator">-</span><span class="cm-number">1</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">invSV</span><span class="cm-operator">=</span><span class="cm-variable">Inv</span>(<span class="cm-variable">V</span>[<span class="cm-number">1</span>],<span class="cm-variable">N0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">reverse</span>(<span class="cm-variable">invSV</span>.<span class="cm-variable">begin</span>(),<span class="cm-variable">invSV</span>.<span class="cm-variable">end</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">invSV</span><span class="cm-operator">=</span><span class="cm-variable">Conv</span>(<span class="cm-variable">invSV</span>,<span class="cm-variable">F</span>,<span class="cm-variable">N0</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>);<span class="cm-variable">G</span>[<span class="cm-number">1</span>].<span class="cm-variable">resize</span>(<span class="cm-variable">N0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">copy</span>(<span class="cm-variable">invSV</span>.<span class="cm-variable">begin</span>()<span class="cm-operator">+</span><span class="cm-variable">N0</span><span class="cm-operator">-</span><span class="cm-number">1</span>,<span class="cm-variable">invSV</span>.<span class="cm-variable">end</span>()<span class="cm-operator">-</span><span class="cm-number">1</span>,<span class="cm-variable">G</span>[<span class="cm-number">1</span>].<span class="cm-variable">begin</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Get_G</span>(<span class="cm-number">1</span>,<span class="cm-number">0</span>,<span class="cm-variable">N0</span><span class="cm-operator">-</span><span class="cm-number">1</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">clear</span>(<span class="cm-number">1</span>,<span class="cm-number">0</span>,<span class="cm-variable">N0</span><span class="cm-operator">-</span><span class="cm-number">1</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">tans</span><span class="cm-operator">=</span><span class="cm-variable">ans</span>;<span class="cm-variable">ans</span>.<span class="cm-variable">clear</span>();<span class="cm-variable">tans</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">A</span>.<span class="cm-variable">size</span>());<span class="cm-variable">A</span>.<span class="cm-variable">clear</span>();<span class="cm-variable">F</span>.<span class="cm-variable">clear</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">tans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-keyword">namespace</span> <span class="cm-def">Intpo</span>{</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">X</span>,<span class="cm-variable">Y</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">V</span>[<span class="cm-variable">maxN</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">2</span>],<span class="cm-variable">U</span>[<span class="cm-variable">maxN</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">2</span>];</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">void</span> <span class="cm-def">Get_V</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">x</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">l</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">r</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">if</span>(<span class="cm-variable">l</span><span class="cm-operator">==</span><span class="cm-variable">r</span>){<span class="cm-variable">V</span>[<span class="cm-variable">x</span>].<span class="cm-variable">push_back</span>(<span class="cm-operator">-</span><span class="cm-variable">X</span>[<span class="cm-variable">l</span>]);<span class="cm-variable">V</span>[<span class="cm-variable">x</span>].<span class="cm-variable">push_back</span>(<span class="cm-number">1</span>);<span class="cm-keyword">return</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">mid</span><span class="cm-operator">=</span>(<span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-variable">r</span>)<span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Get_V</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>,<span class="cm-variable">l</span>,<span class="cm-variable">mid</span>);<span class="cm-variable">Get_V</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>,<span class="cm-variable">mid</span><span class="cm-operator">+</span><span class="cm-number">1</span>,<span class="cm-variable">r</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">V</span>[<span class="cm-variable">x</span>]<span class="cm-operator">=</span><span class="cm-variable">Conv</span>(<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>],<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>],<span class="cm-variable">r</span><span class="cm-operator">-</span><span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-number">2</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">void</span> <span class="cm-def">Get_U</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">x</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">l</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">r</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">if</span>(<span class="cm-variable">l</span><span class="cm-operator">==</span><span class="cm-variable">r</span>){<span class="cm-variable">U</span>[<span class="cm-variable">x</span>].<span class="cm-variable">push_back</span>(<span class="cm-variable">Y</span>[<span class="cm-variable">l</span>]);<span class="cm-keyword">return</span>;}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">mid</span><span class="cm-operator">=</span>(<span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-variable">r</span>)<span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Get_U</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>,<span class="cm-variable">l</span>,<span class="cm-variable">mid</span>);<span class="cm-variable">Get_U</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>,<span class="cm-variable">mid</span><span class="cm-operator">+</span><span class="cm-number">1</span>,<span class="cm-variable">r</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">U</span>[<span class="cm-variable">x</span>]<span class="cm-operator">=</span><span class="cm-variable">Add</span>(<span class="cm-variable">Conv</span>(<span class="cm-variable">U</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>],<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>],<span class="cm-variable">r</span><span class="cm-operator">-</span><span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-number">2</span>),<span class="cm-variable">Conv</span>(<span class="cm-variable">U</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>],<span class="cm-variable">V</span>[<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>],<span class="cm-variable">r</span><span class="cm-operator">-</span><span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-number">2</span>));</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">void</span> <span class="cm-def">clear</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">x</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">l</span>,<span class="cm-variable-3">int</span> <span class="cm-variable">r</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">V</span>[<span class="cm-variable">x</span>].<span class="cm-variable">clear</span>();<span class="cm-variable">U</span>[<span class="cm-variable">x</span>].<span class="cm-variable">clear</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">if</span>(<span class="cm-variable">l</span><span class="cm-operator">==</span><span class="cm-variable">r</span>) <span class="cm-keyword">return</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">mid</span><span class="cm-operator">=</span>(<span class="cm-variable">l</span><span class="cm-operator">+</span><span class="cm-variable">r</span>)<span class="cm-operator">&gt;&gt;</span><span class="cm-number">1</span>;<span class="cm-variable">clear</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span>,<span class="cm-variable">l</span>,<span class="cm-variable">mid</span>);<span class="cm-variable">clear</span>(<span class="cm-variable">x</span><span class="cm-operator">&lt;&lt;</span><span class="cm-number">1</span><span class="cm-operator">|</span><span class="cm-number">1</span>,<span class="cm-variable">mid</span><span class="cm-operator">+</span><span class="cm-number">1</span>,<span class="cm-variable">r</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-def">Solve</span>(<span class="cm-variable">Poly</span> <span class="cm-variable">dX</span>,<span class="cm-variable">Poly</span> <span class="cm-variable">dY</span>){</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable-3">int</span> <span class="cm-variable">N0</span><span class="cm-operator">=</span><span class="cm-variable">dX</span>.<span class="cm-variable">size</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">X</span><span class="cm-operator">=</span><span class="cm-variable">dX</span>,<span class="cm-variable">Y</span><span class="cm-operator">=</span><span class="cm-variable">dY</span>;<span class="cm-variable">X</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">N0</span>);<span class="cm-variable">Y</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">N0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Get_V</span>(<span class="cm-number">1</span>,<span class="cm-number">0</span>,<span class="cm-variable">N0</span><span class="cm-operator">-</span><span class="cm-number">1</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">derSV</span><span class="cm-operator">=</span><span class="cm-variable">Der</span>(<span class="cm-variable">V</span>[<span class="cm-number">1</span>],<span class="cm-variable">N0</span><span class="cm-operator">+</span><span class="cm-number">1</span>);<span class="cm-variable">derSV</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">N0</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">nY</span><span class="cm-operator">=</span><span class="cm-variable">MultiEval::Solve</span>(<span class="cm-variable">derSV</span>,<span class="cm-variable">X</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">for</span>(<span class="cm-variable-3">int</span> <span class="cm-variable">i</span><span class="cm-operator">=</span><span class="cm-number">0</span>;<span class="cm-variable">i</span><span class="cm-operator">&lt;</span><span class="cm-variable">N0</span>;<span class="cm-variable">i</span><span class="cm-operator">++</span>) <span class="cm-variable">Y</span>[<span class="cm-variable">i</span>]<span class="cm-operator">=</span><span class="cm-variable">Y</span>[<span class="cm-variable">i</span>]<span class="cm-operator">*</span><span class="cm-variable">qpow</span>(<span class="cm-variable">nY</span>[<span class="cm-variable">i</span>],<span class="cm-variable">p</span><span class="cm-operator">-</span><span class="cm-number">2</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Get_U</span>(<span class="cm-number">1</span>,<span class="cm-number">0</span>,<span class="cm-variable">N0</span><span class="cm-operator">-</span><span class="cm-number">1</span>);</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">Poly</span> <span class="cm-variable">ans</span><span class="cm-operator">=</span><span class="cm-variable">U</span>[<span class="cm-number">1</span>];<span class="cm-variable">ans</span>.<span class="cm-variable">resize</span>(<span class="cm-variable">dX</span>.<span class="cm-variable">size</span>());</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-variable">clear</span>(<span class="cm-number">1</span>,<span class="cm-number">0</span>,<span class="cm-variable">N0</span><span class="cm-operator">-</span><span class="cm-number">1</span>);<span class="cm-variable">X</span>.<span class="cm-variable">clear</span>();<span class="cm-variable">Y</span>.<span class="cm-variable">clear</span>();</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-tab" role="presentation" cm-text="	">    </span><span class="cm-keyword">return</span> <span class="cm-variable">ans</span>;</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-tab" role="presentation" cm-text="	">    </span>}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable-3">int</span> <span class="cm-def">main</span>(){</span></pre><div class="" style="position: relative;"><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre></div></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 5083px;"></div><div class="CodeMirror-gutters" style="display: none; height: 5083px;"></div></div></div></pre></div>
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